Senna, an optimistic and strong girl, living with her boyfriend and her bestie, got the internship opportunity of James Group, top dog of the industry. Everything seemed very happy. But one day, Klaus, Senna's childhood neighbor, showed up at her house and stumbled on Senna's boyfriend's affair with her best friend. Senna treated Klaus like a child, but didn’t realize that the so-called child is a hunter disguised as a prey, and gradually encroached on her territory.